On Tue, 11 Apr 2023 14:10:19 +0200, Jan Kara wrote: > When we enable MMP in ext4_multi_mount_protect() during mount or > remount, we end up calling sb_start_write() from write_mmp_block(). This > triggers lockdep warning because freeze protection ranks above s_umount > semaphore we are holding during mount / remount. The problem is harmless > because we are guaranteed the filesystem is not frozen during mount / > remount but still let's fix the warning by not grabbing freeze > protection from ext4_multi_mount_protect(). > > [...] Applied, thanks! [1/1] ext4: Fix lockdep warning when enabling MMP commit: 949f95ff39bf188e594e7ecd8e29b82eb108f5bf Best regards, -- Theodore Ts'o <tytso@xxxxxxx>